gen: parser: Rework bitfield implementation to support enums

I've probably messed something up, I know it... also we assume the width
is 8 bits, which might be wrong, but I'll add it in a followup.

1 files changed, 32 insertions, 0 deletions

diff --git a/tests/headers/weird_bitfields.hpp b/tests/headers/weird_bitfields.hpp
new file mode 100644
index 00000000..75024090
--- /dev/null
+++ b/tests/headers/weird_bitfields.hpp
@@ -0,0 +1,32 @@
+// You can guess where this is taken from...
+enum nsStyleSVGOpacitySource {
+  eStyleSVGOpacitySource_Normal,
+  eStyleSVGOpacitySource_ContextFillOpacity,
+  eStyleSVGOpacitySource_ContextStrokeOpacity
+};
+
+class Weird {
+  unsigned int         mStrokeDasharrayLength;
+  unsigned char          mClipRule;         // [inherited]
+  unsigned char          mColorInterpolation; // [inherited] see nsStyleConsts.h
+  unsigned char          mColorInterpolationFilters; // [inherited] see nsStyleConsts.h
+  unsigned char          mFillRule;         // [inherited] see nsStyleConsts.h
+  unsigned char          mImageRendering;   // [inherited] see nsStyleConsts.h
+  unsigned char          mPaintOrder;       // [inherited] see nsStyleConsts.h
+  unsigned char          mShapeRendering;   // [inherited] see nsStyleConsts.h
+  unsigned char          mStrokeLinecap;    // [inherited] see nsStyleConsts.h
+  unsigned char          mStrokeLinejoin;   // [inherited] see nsStyleConsts.h
+  unsigned char          mTextAnchor;       // [inherited] see nsStyleConsts.h
+  unsigned char          mTextRendering;    // [inherited] see nsStyleConsts.h
+
+  // In SVG glyphs, whether we inherit fill or stroke opacity from the outer
+  // text object.
+  // Use 3 bits to avoid signedness problems in MSVC.
+  nsStyleSVGOpacitySource mFillOpacitySource    : 3;
+  nsStyleSVGOpacitySource mStrokeOpacitySource  : 3;
+
+  // SVG glyph outer object inheritance for other properties
+  bool mStrokeDasharrayFromObject   : 1;
+  bool mStrokeDashoffsetFromObject  : 1;
+  bool mStrokeWidthFromObject       : 1;
+};